Kearfott · Electronic Components
A511A251-103
Insulator, Plate
Part NumberA511A251-103
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-307-6244 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Height0.006 INCHES MINIMUM AND 0.009 INCHES MAXIMUM
MaterialRUBBER SILICONE CLASS Q OVERALL
Style DesignatorFLAT, DIAMOND
Third Hole Spacing1.172 INCHES MINIMUM AND 1.202 INCHES MAXIMUM
Overall Width0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
Fourth Hole Spacing0.415 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
Second Hole Diameter0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM
First Hole Diameter0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
Identification Code ColorGRAY/GREY
Overall Length1.635 INCHES MINIMUM AND 1.665 INCHES MAXIMUM
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is A511A251-103 available?
We can source A511A251-103 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is A511A251-103 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A511A251-103 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like A511A251-103?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for A511A251-103?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.